Ensure the find mode HUD doesn't match its own searches.
Ensure the find mode HUD doesn't match its own searches.

This fixes up the initial attempt at using the zero-width space in
commit e1e178b.

bkudria/vimium,justalittlenoob/vimium,bkudria/vimium,dimatter/vimium,smblott-github/vimium-smblott,poacher2k/vimium,jb55/vimium-plus,PrestanceDesign/vimium,smblott-github/vimium,hhsue/vimium,dimatter/vimium,csmalin/vimium,willsALMANJ/vimium,VPashkov/vimium,crazypenguincode/vimium,hhsue/vimium,willsALMANJ/vimium,zhangmin510/vimium,elegantwww/vimium,elegantwww/vimium,zhangmin510/vimium,wildeyes/vimium,willsALMANJ/vimium,Robinson10240/vimium,gdh1995/vimium,decaffeinate-examples/vimium,smblott-github/vimium,poacher2k/vimium,tuchangwei/vimium,borgified/vimium,jb55/vimium-plus,PrestanceDesign/vimium,cyrixhero/vimium,wildeyes/vimium,borgified/vimium,wildeyes/vimium,PickRelated/vimium,decaffeinate-examples/vimium,douglas-larocca/vimium,poacher2k/vimium,justalittlenoob/vimium,Lw-Cui/vimium,douglas-larocca/vimium,bkudria/vimium,VPashkov/vimium,Robinson10240/vimium,cyrixhero/vimium,PrestanceDesign/vimium,VPashkov/vimium,douglas-larocca/vimium,philc/vimium,philc/vimium,llimllib/vimium,PickRelated/vimium,elderbas/vimium,Lw-Cui/vimium,mrmr1993/vimium,philc/vimium,Robinson10240/vimium,gdh1995/vimium,Aleroniponi/vimium,Aleroniponi/vimium,elderbas/vimium,gdh1995/vimium,tuchangwei/vimium,csmalin/vimium,borgified/vimium,tuchangwei/vimium,shaung/vimium,elderbas/vimium,cyrixhero/vimium,smblott-github/vimium,Lw-Cui/vimium,csmalin/vimium,crazypenguincode/vimium,zhangmin510/vimium,elegantwww/vimium,Aleroniponi/vimium,PickRelated/vimium,dimatter/vimium,smblott-github/vimium-smblott,mrmr1993/vimium,justalittlenoob/vimium,mrmr1993/vimium,hhsue/vimium,decaffeinate-examples/vimium